Abstract: The present invention is to provide an image-receiving material, such as an image-receiving sheet, for electrophotography, which is excellent in smoothness (gloss), touch and sheet passing property and usable for the photography and which is free from adhesion or blocking to each other during the storage. The present electrophotographic image-receiving material comprises a support, and a toner image-receiving layer containing a thermoplastic resin formed on the support. Organic particles having a glass transition temperature or melting point not higher than a fixing temperature at which an image is fixed on said toner image-receiving layer are incorporated into the toner image-receiving layer or a second layer forming the electrophotographic image-receiving sheet other than the toner image-receiving layer on the toner image-receiving layer side of said support. In addition, the center line average height on the surface of the support is 0.

Abstract: The present invention discloses an image receiving material for electronic photograph comprising a support made of base paper having a thermoplastic resin layer on each side of the support; a toner receiving layer, provided on one side of said support, which contains a thermoplastic resin; and one or more back layers provided on the other side of said support, wherein thermoplastic resin, porous particles and a cationic material are contained in any one of said back layers. Such image receiving material for electronic photograph of the present invention has a right side which is excellent in glossiness and thus allows electronic photographic image full of photographic touch to be formed thereon, and a back side having desirable printability for both of electronic photographic image and ink-jet printed image.

Abstract: The present invention discloses an image receiving material for electronic photograph comprising a support made of base paper having a thermoplastic resin layer on each side of the support; a toner receiving layer, provided on one side of said support, which contains a thermoplastic resin; and one or more back layers provided on the other side of said support, wherein thermoplastic resin, porous particles and a cationic material are contained in any one of said back layers. Such image receiving material for electronic photograph of the present invention has a right side which is excellent in glossiness and thus allows electronic photographic image full of photographic touch to be formed thereon, and a back side having desirable printability for both of electronic photographic image and ink-jet printed image.

Abstract: The present invention is to provide an image-receiving material, such as an image-receiving sheet, for electrophotography, which is excellent in smoothness (gloss), touch and sheet passing property and usable for the photography and which is free from adhesion or blocking to each other during the storage. The present electrophotographic image-receiving material comprises a support, and a toner image-receiving layer containing a thermoplastic resin formed on the support. Organic particles having a glass transition temperature or melting point not higher than a fixing temperature at which an image is fixed on said toner image-receiving layer are incorporated into the toner image-receiving layer or a second layer forming the electrophotographic image-receiving sheet other than the toner image-receiving layer on the toner image-receiving layer side of said support. In addition, the center line average height on the surface of the support is 0.

Abstract: A light-sensitive material comprises a support and a light-sensitive layer provided thereon which contains silver halide, a reducing agent, a polymerizable compound, a color image forming substance and a base precursor. The silver halide, the reducing agent, the polymerizable compound, the color image forming substance and the base pre cursor are contained in microcapsules which are dispersed in the light-sensitive layer. According to the present invention, the color image forming substance is a coloredsubstance, namely a dye or a pigment, and the microcapsules further contain a polar compound such as an alcohol, an ether, an amide, an urea, an urethane and a sulfonamide. Most of the polar compounds preferably have a molecular weight in the range of 100 to 400. An exceptional polar compound is polyethylene glycol or its derivative, which preferably has a molecular weight in the range of 200 to 20,000.

Abstract: A light-sensitive microcapsule contains silver halide, an ethylenically unsaturated polymerizable compound and pigment particles. Another light-sensitive microcapsule contains a photopolymerization initiator, an ethylenically unsaturated polymerizable compound and pigment particles. According to the present invention, the pigment particles are surface treated to be lipophilic. The pigment particles are preferably treated with a surface treating agent such as a lipophilic resin or an oil-soluble surface active agent. The light-sensitive microcapsule is advantageously employed in a light-sensitive material comprising a support and a light-sensitive layer in which the microcapsules are dispersed.

Abstract: A light-sensitive material comprises a support and a light-sensitive layer provided thereon which contains silver halide, a reducing agent and an ethylenically unsaturated polymerizable compound, and at least the silver halide and the polymerizable compound are contained in a microcapsule. The light-sensitive layer further contains a fluorine atom-containing compound.

Abstract: An image-forming method comprises:imagewise exposing to light a light-sensitive material which comprises a light-sensitive layer provided on a support, the light-sensitive layer containing microcapsules which contain silver halide, a reducing agent and a polymerizable compound and polymer particles having a mean particle size in the range of 5 to 50 .mu.m and a softening point in the range of 80.degree. to 180.degree. C., to form a latent image of the silver halide in the light-sensitive layer;simultaneously or thereafter developing the light-sensitive material to imagewise polymerize the polymerizable compound in the light-sensitive layer; andpressing with heating the light-sensitive material on an image-receiving material comprising an image-receiving layer on a support under the condition that the light-sensitive layer of the light-sensitive material faces the image-receiving layer of the image-receiving material, to transfer the unpolymerized polymerizable compound to the image-receiving material.

Abstract: A light-sensitive material comprises a light-sensitive layer which contains silver halide, a reducing agent and an ethylenic unsaturated polymerizable compound provided on a support (the silver halide and polymerizable compound are contained in microcapsules which are dispersed in the light-sensitive layer), characterized in that the microcapsules have an average particle size (volume average particle diameter) of 8.5 to 20 .mu.m and the following specific particle size distribution. The amount of the microcapsules having a particle size of not larger than one-sixth part of the average particle size is not more than 1 volume % of the total amount of the microcapsules and the amount of the microcapsules having a particle size of not smaller than twice as large as the average particle size is not more than 1 volume % of the total amount of the microcapsules.

Abstract: A light-sensitive material comprising a light-sensitive layer which contains silver halide, a reducing agent and a polymerizable compound provided on a support, characterized in that the silver halide and the polymerizable compound are together contained in microcapsules which are dispersed in the light-sensitive layer, and the light-sensitive layer further contains dispersed grains of a hydrophobic organic base compound and/or base precursor having a melting point of from 80.degree. to 180.degree. C. which are arranged outside of the microcapsules.

Abstract: A light-sensitive material comprising a light-sensitive layer provided on a support wherein the light-sensitive layer contains silver halide, a reducing agent, a polymerizable compound, and an organic solvent which is miscible with the polymerizable compound and is contained in microcapsules.

Abstract: A light-sensitive microcapsule containing silver halide and a polymerizable compound which is enclosed with a shell comprising a polyurea resin and/or polyurethane resin. A light-sensitive material comprising a light-sensitive layer provided on a support wherein the light-sensitive layer contains microcapsules containing silver halide and a polymerizable compound enclosed with a shell comprising an polyurea resin and/or a polyurethane resin and a reducing agent.

Abstract: A light-sensitive material comprising a light-sensitive layer which contains silver halide, a reducing agent and a polymerizable compound provided on a support, characterized in that the silver halide and the polymerizable compound are together contained in microcapsules which are dispersed in the light-sensitive layer, and the light-sensitive layer further contains a binder which is arranged outside of the microcapsules. A process for the preparation thereof is also disclosed.

Abstract: A light-sensitive material comprises a light-sensitive layer which contains silver halide, a reducing agent, a polymerizable compound and a base or base precursor provided on a support. The silver halide and polymerizable compound are contained in microcapsules to form light-sensitive microcapsules which are dispersed in the light-sensitive layer. The base or base precursor is contained in particles which are arranged outside of the light-sensitive microcapsules. At least 30% of the particles are adsorbed on the surface of the light-sensitive microcapsules.

Abstract: A light-sensitive microcapsule containing silver halide and a polymerizable compound which is enclosed with a shell comprising an amino-aldehyde resin. A light-sensitive material comprising a light-sensitive layer provided on a support wherein the light-sensitive layer contains microcapsules containing silver halide and a polymerizable compound enclosed with a shell comprising an amino-aldehyde resin and a reducing agent.

Abstract: A light-sensitive material comprising a light-sensitive layer provided on a support wherein the light-sensitive layer contains silver halide, a reducing agent, a polymerizable compound and a base or base precursor which is contained in microcapsules under condition that the base or base precursor is dissolved or dispersed in an aqueous solution of a water retention agent.

Abstract: A light-sensitive material comprising a light-sensitive layer provided on a support, wherein the light-sensitive layer contains silver halide, a reducing agent, a polymerizable compound, and a base or a base precursor. The base or base precursor is contained in microcapsules.

Abstract: In a process for the preparation of an electrostatographic toner material comprising encapsulating a core material containing colorant with a shell material in an aqueous medium to prepare encapsulated toner particles and drying the so prepared encapsulated toner particles, the improvement which comprises heating the so dried encapsulated toner particles.

Abstract: Microcapsules for effecting an immune response, especially through agglutination reaction, comprise an antigen or antibody bound to functional groups, such as amino groups, carboxy groups, etc., on a wall surface of the microcapsules via cross linking agents, such as polyfunctional isocyanates, isothiocyanates, etc. The antigen or antibody is strongly bound to the wall surface of the microcapsules to thereby achieve excellent detection sensitivity.

Abstract: An encapsulated electrostatographic toner material preferably employable in a pressure fixing process and improved in the fixability after storage of the toner material comprising a core and a shell enclosing the core, in which:said core comprises, a polymer, a solvent having a boiling point of not lower than 180.degree. C. which is capable of dissolving the polymer or causing the polymer to swell, a colorant and a particulate magnetizable substance hydrophobically treated or coated on the surface; andsaid shell is prepared by an in-situ polymerization process such as an inner polymerization process or an outer polymerization process.